.page-of-index .features-box{
  background-color: #232323;
}

.page-of-index .features-box .features{
  display: table;
  width: 100%;
}

.page-of-index .features-box .features li{
  display: table-cell;
  width: 33.33%;
  height: 400px;
  padding-top: 90px;
  vertical-align: top;
  text-align: center;
  box-sizing: border-box;
  background: url("../images/index/f11.png") no-repeat 50% 50%;
}

.page-of-index .features-box .features li:nth-child(2){
  background-image: url("../images/index/f21.png");
}

.page-of-index .features-box .features li:nth-child(3){
  background-image: url("../images/index/f31.png");
}

.page-of-index .features-box .features h1{
  margin: 30px auto 10px;
  font-size: 18px;
}

.page-of-index .features-box .features h2{
  width: 230px;
  margin: 0 auto;
  text-align: left;
}

.page-of-index .features-box .text{
  height: 200px;
}

.page-of-index .features-box .text .head{
  display: table;
  margin-top: 60px;
  margin-bottom: 10px;
}

.page-of-index .features-box .text .head li{
  display: table-cell;
  padding-right: 20px;
  font-size: 18px;
  line-height: 18px;
  cursor: pointer;
}

.page-of-index .features-box .text .head li + li{
  padding-left: 20px;
  border-left:1px solid #fff;
}

.page-of-index .features-box .text p{
  width: 580px;
  color: #9c9c96;
  font-size: 12px;
}

.page-of-index .model{
  height: 700px;
  padding-top: 210px;
  box-sizing: border-box;
  background-color: #0f0f0f;
}

.page-of-index .model .box{
  display: table;
}

.page-of-index .model .text,
.page-of-index .model .diagram{
  display: table-cell;
  vertical-align: top;
}

.page-of-index .model .diagram{
  text-align: right;
}

.page-of-index .model .text .body{
  min-height: 190px;
}

.page-of-index .model .text h1{
  font-size: 48px;
  font-weight: 100;
}

.page-of-index .model .text p {
  width: 580px;
  margin-top: 5px;
  font-size: 12px;
  color: #9c9c96;
}

.page-of-index .model .nav li{
  color: #878787;
  line-height: 32px;
  cursor: pointer;
}

.page-of-index .model .nav li:before{
  content: "";
  display: inline-block;
  width: 30px;
  height: 8px;
  margin-right: 30px;
  background-color: #878787;
  border-radius: 4px;
  vertical-align: baseline;
}

.page-of-index .model .nav li.active{
  color: #c8c8c8;
}
.page-of-index .model .nav li.active:before{
  background-color: #fff;
}

.page-of-index .partners{
  height: 400px;
  padding-top: 75px;
  box-sizing: border-box;
  background-color: #0f0f0f;
}

.page-of-index .partners h1{
  font-size: 18px;
}

.page-of-index .partners .logos{
  margin-top: 85px;
  display: table;
}

.page-of-index .partners .logos li{
  display: table-cell;
  vertical-align: middle;
}

.page-of-index .partners .logos li + li{
  padding-left: 50px;
}

.page-of-index .contact{
  height: 850px;
  padding-top: 80px;
  box-sizing: border-box;
  background: url("../images/index/contact.png") no-repeat 50% 0;
}

.page-of-index .contact h1{
  font-size: 48px;
}

.page-of-index .contact p{
  width: 580px;
  min-height: 50px;
  margin-top: 18px;
  margin-bottom: 22px;
}

.page-of-index .contact .input:nth-child(even){
  float: right;
}

.page-of-index .contact .btn{
  display: block;
  width: 290px;
  margin: 50px auto 0;
  clear: both;
}

@media (max-width: 700px) {
  .page-of-index .features-box{
    display: flex;
    flex-direction: column;

    .text{
      height: auto;
      padding: 15px 25px;
      order:-1;
    }

    .text .head{
      margin-top: 0;
    }

    .text .head li{
      font-size: 14px;
      line-height: 14px;
    }

    .text p{
      width: auto;
    }

    .features{
      display: block;
      width: auto;
    }

    .features li{
      display: block;
      width: auto;
      height: 175px;
      padding: 30px 25px 0;
    }

    .features h1,
    .features h2{
      width: auto;
      text-align: left;
    }

    .features h1{
      margin: 5px auto auto;
      font-size: 14px;
    }

    .features li img{
      height: 60px;
    }
  }

  .page-of-index .model{
    height: auto;
    padding: 20px 25px 30px;

    .box,
    .text,
    .diagram{
      display: block;
    }

    .diagram{
      text-align: center;
    }

    .diagram img{
      max-width: 90%;
    }

    .text{
      margin-bottom: 25px;
    }

    .text .body{
      min-height: initial;
      margin-bottom: 15px;
    }

    //.text small{
    //  font-size: 12px;
    //}

    .text h1{
      font-size: 18px;
      font-weight: 400;
    }

    .text p {
      width: auto;
      display: none;
    }

    .nav li{
      line-height: 20px;
    }

    .nav li:before{
      width: 14px;
      height: 3px;
      margin-right: 10px;
      border-radius: 2px;
      vertical-align: middle;
    }

  }

  .page-of-index .partners{
    display: none;
  }

  .page-of-index .contact{
    height: auto;
    padding: 20px 25px 30px;
    background-size: cover;

    h1{
      font-size: 12px;
    }

    p{
      width: auto;
      margin-top: 5px;
      margin-bottom: 15px;
      min-height: initial;
      max-height: 36px;
      overflow: hidden;
    }

    .input{
      float: none !important;
    }

    .btn{
      width: 105px;
      margin-top: 30px;
    }
  }
}